Huawei H13-921_V1.5 Exam : HCIP-GaussDB-OLTP V1.5

Huawei H13-921_V1.5 exam
  • Exam Code: H13-921_V1.5
  • Exam Name: HCIP-GaussDB-OLTP V1.5
  • Updated: Jul 29, 2026
  • Q & A: 216 Questions and Answers
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Huawei H13-921_V1.5 Exam Syllabus Topics:

SectionWeightObjectives
GaussDB-OLTP Fundamentals15%- Database basic theory
  • 1. Distributed consistency and CAP theorem
    • 2. Transaction, ACID properties, isolation levels
      - Basic concepts of distributed databases
      • 1. Core architecture and evolution of GaussDB-OLTP
        • 2. Characteristics and application scenarios of OLTP systems
          GaussDB-OLTP Architecture and Features20%- Distributed deployment architecture
          • 1. Components: CN, DN, GTM, CMS
            • 2. Data distribution and sharding mechanism
              - Core features
              • 1. Distributed SQL engine and compatibility
                • 2. Storage engine and index technology
                  High Availability and Disaster Recovery10%- Backup and recovery
                  • 1. Physical backup, logical backup, point-in-time recovery
                    - High availability mechanism
                    • 1. Data consistency and reliability guarantee
                      • 2. Replication, failover, and load balancing
                        Installation, Deployment and Configuration15%- Planning and preparation
                        • 1. Network and environment configuration
                          • 2. Hardware and software requirements
                            - Installation and deployment process
                            • 1. Initial configuration and parameter tuning
                              • 2. Standalone and cluster deployment
                                Data Management and SQL Operations20%- Database objects management
                                • 1. Partitioning and data distribution strategies
                                  • 2. Databases, tables, indexes, views
                                    - SQL development and optimization
                                    • 1. Execution plan analysis and optimization
                                      • 2. Standard SQL and extended syntax
                                        Performance Monitoring and Optimization10%- Monitoring and diagnosis tools
                                        • 1. Key performance indicators and monitoring methods
                                          - Performance tuning
                                          • 1. Parameter adjustment, SQL optimization, resource scheduling
                                            Security Management10%- User and permission management
                                            • 1. Roles, privileges, and access control
                                              - Data security and encryption
                                              • 1. Transmission encryption, storage encryption, audit logs

                                                Huawei HCIP-GaussDB-OLTP V1.5 Sample Questions:

                                                1. Which of the following is not an object included in a schema?

                                                A) Index
                                                B) Table
                                                C) User
                                                D) View


                                                2. In GaussDB (for MySQL), the Log Store is responsible for persisting logs. What is the size of the unique ID used to identify Log Store?

                                                A) 24 bytes
                                                B) 48 bytes
                                                C) 12 bytes


                                                3. Frequent UPDATE operations can cause page splits, leading to severe fragmentation.

                                                A) False
                                                B) True


                                                4. Which parameter types can be used when writing stored procedures?

                                                A) OUTIN
                                                B) IN
                                                C) OUT
                                                D) INOUT


                                                5. Which of the following statements are incorrect?

                                                A) Slice is independent and max size is 1GB
                                                B) Page Store persists Pages and SQL reads pages
                                                C) Log Store uses append-only
                                                D) Log Store defaults to multi-replica sync


                                                Solutions:

                                                Question # 1
                                                Answer: C
                                                Question # 2
                                                Answer: A
                                                Question # 3
                                                Answer: B
                                                Question # 4
                                                Answer: B,C,D
                                                Question # 5
                                                Answer: A,D

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